CA $269 Cheap Flights from Portland (PWM) to Ontario (ONT)

Popular airlines from Portland Intl. Jetport Airport (PWM) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap flights from Portland (PWM) to Ontario (ONT)

Prices were available within the past 7 days and start at CA $269 for one-way flights and CA $396 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Delta
American Airlines
American Airlines
JetBlue Airways
Delta
American Airlines
American Airlines
American Airlines
United

Find the cheapest month to fly from Portland (PWM) to Ontario (ONT)

August is typically the cheapest month to fly

From CA $326 - CA $1,174 per traveller.

Graph displaying average flight prices per month

Flight from Portland to Ontario (PWM - ONT) route information
Origin airport
Portland Intl. Jetport
Destination airport
Los Angeles - Ontario Intl.
Roundtrip price
CA $396
Distance
4146 km

Portland to Los Angeles Flights

The easy way to book your flights from Portland to Ontario 

With Expedia, it’s simple to find and book flights to Ontario from Portland whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Los Angeles - Ontario Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Portland to Ontario today, tomorrow, or this week.  

 

Save dollars with cheap flights from Portland Intl. Jetport, PWM to Los Angeles - Ontario Intl., ONT 

Sort your search results by price to find great deals on your flight from Portland to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from Portland currently is just CA $396 rising to CA $654.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Ontario  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Ontario from Portland 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ontario with Expedia today.

Frequently asked questions

How much is a flight from Portland Intl. Jetport to Ontario Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip journey between Portland Intl. Jetport and ONT was CA $396. Fares this good don't last forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Intl. Jetport Airport (PWM) to Ontario Airport?
We understand that your situation can change unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Portland Intl. Jetport to Ontario Airport that have flexible change policies?
Flights from Portland Intl. Jetport to Los Angeles - Ontario Intl. Airport (ONT) offering flexible change policies are available from several airlines. Simply use our "No change fees" filter during your search. You'll only need to cover the cost difference between flights, with no added fees to worry about.
How many hours is the flight from Portland Intl. Jetport to ONT?
The average flight time between Portland Intl. Jetport and Ontario Airport is 8 hours and 14 minutes. If you get peckish on longer flights, pack some fruit or snacks in your cabin baggage.
How far is the flight from Portland Intl. Jetport Airport (PWM) to Los Angeles - Ontario Intl. Airport (ONT)?
Portland to Ontario is around 4,200 kilometres, so be prepared to spend a while in the air. Don't forget to pack all the essentials, from your hoodie to your headphones. Take a few snacks to nibble on throughout your journey too.
Which airlines fly direct from Portland Intl. Jetport Airport (PWM) to Ontario Airport?
At present, no airlines offer direct flights from PWM to Ontario Airport. You'll need to book a flight with at least one stop. To get the best connections and price, lock in your fare ahead of time.
Are PWM to Ontario Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes score a bargain, with some of the cheapest airfares from PWM to ONT cropping up a few weeks before the date of departure. If you'd rather plan ahead, Expedia compares and updates the best flight deals frequently — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines release prices so far in advance.

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